Chop the lettuce, tomatoes, orange bell pepper, and black olives into bite-size pieces.
In a medium-sized bowl, whisk together the sour cream, cream cheese, onion powder, garlic powder, smoked paprika, chili powder, and oregano until smooth.
Spread the sour cream mixture into a serving dish.
Top with sliced lettuce, tomatoes, orange bell pepper, black olives, and shredded cheese.
Serve with tortilla chips or vegetables for dipping.